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#include "version.h"
#include "opt.h"

#include "../reqs/simple-opt/simple-opt.h"

#include <stdlib.h>

#include <unistd.h>

const char *set[] = {
	[EVERY_OPT_PRINTMODE_CONSOLE] = "console",
	[EVERY_OPT_PRINTMODE_SCRIPT]  = "script",
	NULL,
};

static struct simple_opt options[] = {
	{ SIMPLE_OPT_FLAG, 'h', "help", false,
		"print this help message and exit" },
	{ SIMPLE_OPT_FLAG, 'v', "version", false,
		"print the version of confconf in use and exit" },
	{ SIMPLE_OPT_STRING, 'c', "config", true,
		"path to config file", "<file>" },
	{ SIMPLE_OPT_STRING_SET, 'm', "output-mode", true,
		"output mode (default is console)",
		"(console|script)", set },
	{ SIMPLE_OPT_END }
};

void opt_parse(int argc, char **argv)
{
	struct simple_opt_result result;
	size_t i;
	char c, cend;

	result = simple_opt_parse(argc, argv, options);

	/* parse err */
	if (result.result_type != SIMPLE_OPT_RESULT_SUCCESS) {
		simple_opt_print_error(stderr, 80, argv[0], result);
		exit(EXIT_FAILURE);
	}

	/* help */
	if (options[0].was_seen) {
		simple_opt_print_usage(stdout, 80, argv[0],
			"[-c FILE] [-m OUTPUT_MODE]",
			"every is a flexible console-based event calendar",
			options);
		exit(EXIT_SUCCESS);
	}

	/* version */
	if (options[1].was_seen) {
		puts(VERSION);
		exit(EXIT_SUCCESS);
	}
}

const char* opt_confpath_str(void)
{
	return options[2].val.v_string;
}

enum every_opt_outputmode opt_outputmode(void)
{
	return options[3].val.v_string_set_idx;
}